Home / 25,444.99-35,114.16-15,371.57

Finding the Fourth Proportional to 25,444.99, 35,114.16 and 15,371.57

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Solution

The fourth proportional to 25,444.99, 35,114.16 and 15,371.57 is: 21,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,444.99 : 35,114.16 = 15,371.57 : x
  2. Step 2: Convert to fraction form
    25,444.99/35,114.16 = 15,371.57/x
  3. Step 3: Cross multiply
    25,444.99x = 35,114.16 × 15,371.57
  4. Step 4: Simplify right side
    25,444.99x = 539,759,827.39
  5. Step 5: Solve for x
    x = 539,759,827.39/25,444.99
  6. Step 6: Final answer
    x = 21,212.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.